Casing-cement sheath and formation formed a vertical hydraulic isolation system; hydraulic isolation ability of the system formed by cementing mainly depends on defection and strength of the system.
固井水泥凝固后形成了一个纵向上的水力封隔系统，影响这个系统水力封隔能力的因素包括系统的缺陷和系统的强度。
Dressing is widely used in the treatment of defection of the dermal system caused by burn.
敷料在治疗烧伤引起的皮肤组织缺损中，已得到广泛应用。
After the system has worked successfully, author evaluates the system, points out the defection and prospects for the future at last.
在系统成功运行的基础上对系统作出了评价，提出了该系统的不足和对将来的展望。
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